Erenna erenna, a matsayin eriyanci eriyar, ana amfani dashi sosai a HF, VHF da Uhf Bands. Yagi babban erentna ne wanda ya kunshi Oscillor mai aiki (galibi Oscilloror), mai hasashe masu hasala da dama aka shirya a cikin layi daya.
Akwai dalilai da yawa da suka shafi ayyukan erenna erenna, da kuma daidaitawar Yagi eriya ya fi rikitarwa fiye da sauran eriyanci. Parmers biyu na eriya na eriya ana daidaita su: Mitar mita da tsayayye. Wato, resonant mita na eriyar an daidaita shi da kusan 435mhz, da kuma tsayawa raƙuman ruwa na eriya yana da kusanci 1 kamar yadda zai yiwu.
Saita eriya game da 1.5m daga ƙasa, haɗa mita igiyar ruwa da fara auna. Don rage kurakuran karkatarwa, na USB suna haɗa eriya ga tsayuwar igiyar ruwa da rediyo zuwa ga m mita ya kamata ya zama gajere. Wurare uku za a iya gyara: ƙarfin tsarin Trimmer Capaceritor, matsayin gajeriyar mashaya da kuma tsawon Oscillor mai aiki. Takamaiman matakan daidaitawa sune kamar haka:
(1) Gyara gajeriyar mashaya na Circ 5 ~ 6cm daga manyan mashaya;
(2) Matsakaicin mai juyawa an daidaita shi zuwa 435mhz, kuma Capactor na yumbu an daidaita shi don rage raƙuman ruwa na eriya;
(3) A auna igiyar ruwa na eriya daga 430 ~ 440mhz, kowane 2mhz, kuma yi jadawalin ko jerin bayanan da aka auna.
(4) Lura ko mitar mai dacewa ga ƙaramar ƙira mai tsayi (eriyanci reonance) yana kusa da 435mhz. Idan mita ya yi yawa ko maɗaura, ana iya sake tsinkayen tsinkaye ta hanyar maye gurbin Oscilillan 'yan milimita kaɗan ko gajarta;
(5) dan kadan canza matsayin ɗan sanda-da'ira, kuma akai-akai-i Tune mai ɗaukar hoto na chipacor chippor chippor chiveer a matsayin ƙarami kamar yadda ya yiwu kusan 435mhz.
Lokacin da eriyanci an daidaita shi, daidaita wuri guda a lokaci guda, don yana da sauƙi a sami sarautar canji. Saboda yawan mitar aiki, amplitude na daidaitawa bai yi yawa ba. Misali, damar da aka daidaita ta yi da kyau aging capacoret hade a cikin jerin γ Bart shine kusan 3 γ 4PF, da canjin 'yan goma γ Bugu da kari, da dama abubuwan kamar su tsawon da mashaya da matsayin kebul zai kuma sami wani tasiri a kan ma'aunin igiyar ruwa, wanda ya kamata a ba da hankali ga tsarin daidaitawa.
Lokaci: Nuwamba-30-2022
